kernel/: fix repeated words in comments

Fix multiple occurrences of duplicated words in kernel/.

Fix one typo/spello on the same line as a duplicate word.  Change one
instance of "the the" to "that the".  Otherwise just drop one of the
repeated words.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/98202fa6-8919-ef63-9efe-c0fad5ca7af1@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/fork.c b/kernel/fork.c
index e0f74be..32083db 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2189,7 +2189,7 @@
 
 	/*
 	 * Ensure that the cgroup subsystem policies allow the new process to be
-	 * forked. It should be noted the the new process's css_set can be changed
+	 * forked. It should be noted that the new process's css_set can be changed
 	 * between here and cgroup_post_fork() if an organisation operation is in
 	 * progress.
 	 */